Black Dye Sulphur Black Br 220% for Cotton & Fabric
Description
Sulphur black can be classified as BR (Bluish-Reddish) and B(Bluish)by their different tones, and the tone and quality can be adjusted according to the customer's requirements.
Appearance: Flashing black flakes or granules
Product character: Sulphur black is insoluble in water or ethanol, it appears as green-black in the solution of sodium sulfide, appears bluish when put caustic soda in the solution of sulphur black, and appears greenish precipitate with hydrochloric acid
It's miniature soluble in cold sulfuric acid, turns to greenish blue precipitate after it's warmer, then turns to black-blue when keeps heating. Sulphur dyes have good dye-uptake and level dyeing.
Sulphur Black
Other Name: C.I. Sulphur Black 1; C.I. Sulfur Black 1; 2,4-Dinitro-phenol sulfurised; Sulphur Black B/BR
CAS NO.: 1326-82-5
Molecular Formula: C6H4N2O5
Molecular Weight: 184.10636
EINECS No.: 215-444-2
Specifications
| Sulphur Black BR Specification |
| Dyes name |
Sulphur Black BR |
| Quality |
200%,220% |
| Appearance |
Black granule |
| Color |
Same as Standard |
| Strength |
200%,220% |
| Moisture |
less than2.9% |
| Content of sodium sulfide-insoluble matter |
less than 0.6% |
| Free sulphur |
0.31% |
Degree of fineness
(screening hangover content by 80 um),% |
less than3% |
Product Picture
Packing and delivery
25kg/ pp bag or 50kg/iron tin
20tons/20'Container, 25tons/40'Container
Application
Sulphur is used for textile dye. It is good for dyeing of cotton fibers, jeans
Sulphur Black is mainly used dyeing on cotton, also used dyeing on cambric, viscose and vinyl on.
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